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Article

TOP1α, UPF1, and TTG2 regulate seed size in a parental dosage-dependent manner.

PLoS biology - 1 Nov 2020

Li Chengxiang, Gong Ximing, Zhang Bin, Liang Zhe, Wong Chui Eng, See Benjamin Yen How, Yu Hao

Abstract excerpt

Cues of maternal and paternal origins interact to control seed development, and the underlying molecular mechanisms are still far from clear. Here, we show that TOPOISOMERASE Iα (TOP1α), UP-FRAMESHIFT SUPPRESSOR 1 (UPF1), and TRANSPARENT TESTA GLABRA2 (TTG2) gametophytically, biparentally regulate seed size in Arabidopsis. TOP1α and UPF1 are mainly expressed in antipodal cells, and loss of their function leads to...

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Identifiers

PMID: 33156841
DOI: 10.1371/journal.pbio.3000930
PMCID: PMC7673560

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